Home / 18,112.64-24,997.50-12,062.55

Finding the Fourth Proportional to 18,112.64, 24,997.50 and 12,062.55

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Solution

The fourth proportional to 18,112.64, 24,997.50 and 12,062.55 is: 16,647.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112.64 : 24,997.50 = 12,062.55 : x
  2. Step 2: Convert to fraction form
    18,112.64/24,997.50 = 12,062.55/x
  3. Step 3: Cross multiply
    18,112.64x = 24,997.50 × 12,062.55
  4. Step 4: Simplify right side
    18,112.64x = 301,533,533.31
  5. Step 5: Solve for x
    x = 301,533,533.31/18,112.64
  6. Step 6: Final answer
    x = 16,647.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.